Home / 7,616.08-10,510.42-4,258.78

Finding the Fourth Proportional to 7,616.08, 10,510.42 and 4,258.78

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Solution

The fourth proportional to 7,616.08, 10,510.42 and 4,258.78 is: 5,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.08 : 10,510.42 = 4,258.78 : x
  2. Step 2: Convert to fraction form
    7,616.08/10,510.42 = 4,258.78/x
  3. Step 3: Cross multiply
    7,616.08x = 10,510.42 × 4,258.78
  4. Step 4: Simplify right side
    7,616.08x = 44,761,566.49
  5. Step 5: Solve for x
    x = 44,761,566.49/7,616.08
  6. Step 6: Final answer
    x = 5,877.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.